HMMT 2023 G10

Triangle $A B C$ has incenter $I$. Let $D$ be the foot of the perpendicular from $A$ to side $B C$. Let $X$ be a point such that segment $A X$ is a diameter of the circumcircle of triangle $A B C$. Given that $I D=2$, $I A=3$, and $I X=4$, compute the inradius of triangle $A B C$.